Weather & Climate in St Just, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St Just experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 46°F in January while summers reach 60°F in July / relatively mild seasonal variation. Annual precipitation totals 42.1 inches. The city sits at an elevation of 413 feet.
Temperature
46°F Jan (8°C)
60°F Jul (15°C)
| Annual Average | 51.7°F |
| 4% below US avg | |
| January Average | 46°F (8°C) |
| July Average | 60°F (15°C) |
Geography
| Elevation | 413 ft (126 m) |
| Area | 1,219.2 sq mi (3,157.6 km²) |
| Population Density | 4/sq mi |
| Coordinates | 50.1238°N, 5.6807°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Nov 10, 1996 | 19 km S of St Just, United Kingdom | M4.1 | 20 km | 10 km |
| May 31, 2001 | 20 km NNW of Flexbury, United Kingdom | M4.0 | 120 km | 29 km |
| Aug 17, 1995 | 28 km S of Salcombe, United Kingdom | M3.6 | 136 km | 10 km |
| Oct 14, 2002 | 98 km S of Hugh Town, United Kingdom | M3.3 | 132 km | 10 km |
| Jan 19, 2001 | 53 km S of Mullion, United Kingdom | M3.2 | 76 km | 10 km |
| Mar 28, 2005 | 71 km WNW of Porspoder, France | M3.0 | 140 km | 10 km |
| Feb 8, 1998 | 18 km SW of Mullion, United Kingdom | M2.9 | 30 km | 5 km |
| Sep 5, 1999 | 15 km WSW of Salcombe, United Kingdom | M2.9 | 123 km | 5 km |
| Mar 23, 2008 | 38 km NW of St Just, United Kingdom | M2.8 | 38 km | 6 km |
| May 31, 1998 | 38 km WNW of Northam, United Kingdom | M2.8 | 137 km | 15 km |
| Jun 16, 1991 | 17 km SSW of Wembury, United Kingdom | M2.8 | 107 km | 10 km |
| Apr 2, 2000 | 33 km S of Mullion, United Kingdom | M2.7 | 57 km | 10 km |
| Jun 23, 2011 | 4 km WSW of Bovey Tracey, United Kingdom | M2.7 | 147 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 5.2 in | Wettest |
| February | 45°F (7°C) | 4.0 in | Coldest |
| March | 46°F (8°C) | 3.5 in | |
| April | 48°F (9°C) | 2.4 in | |
| May | 52°F (11°C) | 2.3 in | |
| June | 56°F (14°C) | 2.4 in | |
| July | 60°F (15°C) | 2.0 in | Driest |
| August | 61°F (16°C) | 2.8 in | Warmest |
| September | 58°F (14°C) | 3.5 in | |
| October | 54°F (12°C) | 4.2 in | |
| November | 50°F (10°C) | 4.7 in | |
| December | 47°F (8°C) | 5.0 in |
St Just has a seasonal temperature swing of 16°F / from 45°F in February to 61°F in August. Total annual precipitation is 42.0 inches, with January being the wettest month (5.2") and July the driest (2.0").